[extropy-chat] Astronomical question

[Dan Clemmensen]

Mike Lorrey wrote:

>It is a well known phenomenon that the moon is draining angular
>momentum from the earth, thus slowing earth's rotation and causing the
>moon to orbit at a greater distance from earth.
>
>I just started wondering if anyone has figured out how far away the
>moon has to get to escape earth orbit, how far into the future that
>will happen, and how much earth's day will be slowed by the time that happens.....
>
>  
>
I seem to recall that the earth slows to a stop before the moon escapes. 
At that point
the earth has one face always pointing toward the moon, just as the moon 
has one face
pointing toward the earth. But I haven't done the math.